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Finding the Fourth Proportional to 10,008.70, 15,015.66 and 3,768.77

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Solution

The fourth proportional to 10,008.70, 15,015.66 and 3,768.77 is: 5,654.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.70 : 15,015.66 = 3,768.77 : x
  2. Step 2: Convert to fraction form
    10,008.70/15,015.66 = 3,768.77/x
  3. Step 3: Cross multiply
    10,008.70x = 15,015.66 × 3,768.77
  4. Step 4: Simplify right side
    10,008.70x = 56,590,493.86
  5. Step 5: Solve for x
    x = 56,590,493.86/10,008.70
  6. Step 6: Final answer
    x = 5,654.13

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.